MPS6651 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -25 V
• Collector-Base Voltage, max: -25 V
• Emitter-Base Voltage, max: -4 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 0.625 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-92

The MPS6651 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads.
Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the MPS6651 is the MPS6601.The 2SA1298 (SOT-23), 2SA1298-O (SOT-23), 2SA1298-Y (SOT-23), 2SB766 (SOT-89), 2SB766-Q (SOT-89), 2SB766-R (SOT-89), 2SB766-S (SOT-89), BC808 (SOT-23), BC808-16 (SOT-23), BC808-16W (SOT-323), BC808-25 (SOT-23), BC808-25W (SOT-323), BC808-40 (SOT-23), BC808-40W (SOT-323), BC808W (SOT-323), KSA1298 (SOT-23), KSA1298-O (SOT-23), KSA1298-Y (SOT-23), MMBTA63 (SOT-23), MMBTA64 (SOT-23), MMBTA65 (SOT-23), PMBTA64 (SOT-23), PZTA63 (SOT-223), PZTA64 (SOT-223) and PZTA65 (SOT-223) is the SMD version of the MPS6651 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the MPS6651 with the 2SB564A, 2SB564AGR, 2SB564AO, 2SB564AY, KSB564A, KSB564AG, KSB564AO, KSB564AY, M8550, M8550-B, M8550-C, M8550-D, MPS6651G, MPS6652, MPS6652G, MPS750, MPS750G, MPS8550, MPS8550B, MPS8550C, MPS8550D, MPSW51, MPSW51A, MPSW51AG, MPSW51G, MPSW63, MPSW64, SS8550, SS8550B, SS8550C, SS8550D, ZTX549, ZTX550, ZTX789A, ZTX790A or ZTX949.The MPS6651G transistor is the lead-free version of the MPS6651.